package operation;

import book.Book;
import book.BookList;

import java.util.Scanner;

public class ReturnOperation implements  IOperation {
    @Override
    public void work(BookList bookList) {
        System.out.println("归还图书");
        System.out.println("请输入您需要归还的书名: ");
        Scanner scanner = new Scanner(System.in);
        String name = scanner.nextLine();

        int currentSize = bookList.getUsedSize();
        for(int i = 0;i < currentSize;i++) {
            Book book = bookList.getBook(i);
            if(book.getName().equals(name)) {
                book.setBorrowed(false);
                System.out.println("归还成功!");
                return;
            }
        }
        //不存在
        System.out.println("该书不存在! 归还失败");
    }
}
